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Sonoelectroanalytical detection of ultra-trace arsenic

Abstract:

The electroanalytical detection of arsenic on a gold electrode is investigated in the presence and absence of ultrasound. It is found that under quiescent conditions a detection limit of 1.8×10-7 is achievable using a 120 seconds accumulation period. Applying optimised ultrasound during the accumulation period was found to reduce the limit of detection to 1 × 10-8 M from using a deposition period of 60 s at -0.5 V, while increasing the sensitivity by a factor of 15. The methodology was tested...

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Publication status:
Published

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Publisher copy:
10.1002/elan.200403110

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
ELECTROANALYSIS
Volume:
17
Issue:
4
Pages:
335-342
Publication date:
2005-03-05
DOI:
EISSN:
1521-4109
ISSN:
1040-0397
URN:
uuid:2a39fe1e-4c3b-4873-8846-aa397526e605
Source identifiers:
39389
Local pid:
pubs:39389

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